/*
 * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 *
 */

package com.sun.corba.se.impl.ior.iiop;

import org.omg.CORBA.BAD_PARAM;

import org.omg.CORBA_2_3.portable.InputStream;
import org.omg.CORBA_2_3.portable.OutputStream;

import com.sun.corba.se.spi.ior.iiop.IIOPAddress;

/**
 * @author
 */
abstract class IIOPAddressBase implements IIOPAddress {

  // Ports are marshalled as shorts on the wire.  The IDL
  // type is unsigned short, which lacks a convenient representation
  // in Java in the 32768-65536 range.  So, we treat ports as
  // ints throught this code, except that marshalling requires a
  // scaling conversion.  intToShort and shortToInt are provided
  // for this purpose.
  protected short intToShort(int value) {
    if (value > 32767) {
      return (short) (value - 65536);
    }
    return (short) value;
  }

  protected int shortToInt(short value) {
    if (value < 0) {
      return value + 65536;
    }
    return value;
  }

  public void write(OutputStream os) {
    os.write_string(getHost());
    int port = getPort();
    os.write_short(intToShort(port));
  }

  public boolean equals(Object obj) {
    if (!(obj instanceof IIOPAddress)) {
      return false;
    }

    IIOPAddress other = (IIOPAddress) obj;

    return getHost().equals(other.getHost()) &&
        (getPort() == other.getPort());
  }

  public int hashCode() {
    return getHost().hashCode() ^ getPort();
  }

  public String toString() {
    return "IIOPAddress[" + getHost() + "," + getPort() + "]";
  }
}
